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IS 14984 (2001) 
: 71.080.10 



1, 3-Butadiene — Code of Safety. ICS 13.300 



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Invent a New India Using Knowledge 



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1814984:2001 

Indian Standard 
1,3-BUTADIENE — CODE OF SAFETY 

ICS 13.300:71.080.10 



QdnidneiPrmiJ ^ 



O BIS 2001 

BUREAU OF INDIAN STANDARDS 

MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG 
NEW DELHI 110002 



October 200 \ Price Group 4 



Chemical Hazards Sectional Committee, CHD 7 



FOREWORD 

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Chemical 
Hazards Sectional Committee had been approved by the Chemical Division Council. 

1,3-Butadiene is commercially produced by cracking of naphtha and subsequent fractionation or extractive 
distillation. It can also be produced by dehydrogenation of butanes or butenes. 

1 ,3-Butadiene is chiefly used as the principal monomer for the manufacture of various grades of rubber, namely, 
Styrene butadiene rubber (SBR), Aery lonitrile butadiene styrene rubber (ABS) or Polybutadiene rubber (PER). 
It also finds its use in rocket fuels, in plastics and resins. 

There is no ISO standard on this subject. In preparation of this code assistance has been derived from the 
following publications: 

a) Butadiene safety manual, Polymer Corporation Limited, Samia, Ontario. 

b) Safe storage and handling of butadiene, Shri. A. H. Mazumdar, Synthetics and Chemicals Limited, 
Mumbai. 

c) Dangerous properties of industrial materials, N. Irving Sax. 6th Edition. 

d) Handbook of reactive chemical hazards, L. Bretherick, Sunbery Research Center, British Petroleum 
Company Limited. 

e) Encyclopedia of polymer sciences and technology. 

f) Occupational diseases, U.S. Department of Health, Education and Welfare, National Institute for 
Occupational Health. 

g) MSDS Canadian center for occupational health and safety, 

h) Chemical safety data sheet (Royal Society of Chemistry; Vol. 3). 

The composition of the Committee responsible for formulation of this standard is given in Annex A. 



IS 149S4 : 2001 



Indian Standard 
L3-BUTADIENE — CODE OF SAFETY 



1 SCOPE 

1.1 This standard prescribes physical and chemical 
properties of 1,3-Butadiene, the nature of hazards 
associated with it, preventive measures for controlling 
the hazards, and essential information on storage, 
handling, labelling, transportation, waste disposal, 
training of personnel, personal protective equipment, 
first aid and fire fighting. 

1.2 This standard does not, however, deal with any 
specifications for design of buildings, chemical 
engineering plants, method and ingredients used in 
the manufacture, equipment for waste disposal and 
operation control. 

2 REFERENCES 

The Indian Standards listed below contain provisions 
which through reference in this text, constitute 
provisions of this standard. At the time of publication, 
the editions indicated were valid. All standards are 
subject to revision, and parties to agreements based 
on this standard are encouraged to investigate the 
possibility of applying the most recent editions of the 
standards indicated below: 

IS No. Title 

2148: 1 98 1 Flameproof enclosures for electrical 

apparatus (second revision) 
4155 : 1966 Glossary of terms relating to 

chemical and radiation hazards and 

hazardous chemicals 
4167 : 1980 Glossary of terms relating to air 

pollution {first revision) 

3 TERMINOLOGY 

For the purpose of this standard, definitions given in 
IS 4155 and IS 4167 shall apply. 

4 GENERAL INFORMATION AND PROPERTIES 

4.1 General Information 

4.1.1 Common Name — Butadiene; Bivinyl; Divinyl; 
Erythrene; Pyrolylene; Vinylethylene; Biethylene 

4.1.2 Chemical Name — 1,3-Butadiene 

4.1.3 Chemical Formula — CM^ 

4 6 

4.L4 Molecular Structure ~~ H2C=CH-CH-CH2 

4.1.5 Molecular Mass — 54.09 

4.1.6 CAS Registry No. — 106-99-0 



4.L7 UN No.-— 1010 

4.1.8 UN Hazard Class — 2. 1 

4.1.9 Hazchem Code — 2 WE 
4.2 Physical Properties 

4.2.1 Description 

1,3-Butadiene is a colourless stable liquid at 
temperature below its boiling point but at room 
temperature it is a colourless gas. It has characteristic 
odour. Odour threshold value is 1.8. It is a highly 
flammable and potentially explosive when mixed with 
air. 

4.2.2 Solubility 

The gas is slightly soluble in water, more soluble in 
methanol and ethanol, but readily soluble in other 
organic solvents, 

4.2.3 Boiling Point, «C — (-) 4.4 

4.2.4 Freezing Point, "*C — (-) 1 08.9 

4.2.5 Specific Gravity {Liquid)^ with respect to water 
at 

30 °C : 0.602 3 

50 °C : 0.581 8 

4.2.6 Specific Gravity (Gas), with respect to air at 
15^C— 1.877 

4.2.7 Refi-active Index at (-) 25 "C — 1 .429 2 

4.2.8 Viscosity (-lOO^C to +140*>C), Liquid— 0.01 cp 

4.2.9 Viscosity, Vapour (-50<»C to +300''C) — 30 to 
146 ^p 

4.2.10 Critical Properties 

a) Critical Pressure, MPa : 4.32 

b) Critical Temperature, °C : 152 

4.2.11 Specific Heat (Cp) in kcal/kg-<*C, at 

Gas Liquid 

(-)45'*C 0.308 0.518 

15*>C 0.332 0.551 

38 ''C 0.356 0.558 

4.2.12 Heat of Vaporization in kJ/mole at 

H4.441°C : 21.98 

25° C : 20.88 



IS 14984 : 2001 




4.2.13 Vapour Pressure, MPs 


H4,41 ^C 


0.1013 


0"C 


0.1173 


20 °C 


0,2351 


40 «C 


0.4288 


60 ^'C 


0,7247 


80 ^C 


1.1505 


100"C 


1.7342 



4.2.14 Miscibility of Water, at -40 to +60*^0 
(liquid), 0.2 to 0.02 percent (w/w) 

4.2.15 Miscibility in Water, at 760 mm of Hg, (gas) 
— 0.02 percent {w/w) 

4.3 Chemical Properties 

4.3.1 Peroxide Formation and Polymerization 

Uninhibited butadiene combines with oxygen or air 
to form explosive peroxides and popcorn polymers. 
Being a diene aliphatic hydrocarbon, it is highly 
reactive to form polymers/rubbers like PBR, SBR, 
ABS, 1,3 -butadiene forms 3 types of polymers: 

a) Dimer — Dimer formation takes place at all 
temperature and rate of dimer formation in- 
creases with increasing temperature and has 
a tendency to depositon the walls of the con- 
tainer. To a great extent it is soluble m liquid 
butadiene. Inhibitor minimizes the formation 
of the dimer. Storage at lO'^C or below can 
minimize dimer formation. 

b) Heavy polymer — This is dark rubber like 
material, forms in liquid phase and can cause 
plugging of lines and equipment Presence 
of peroxides tends to produce this polymer. 
The solid polymer may ignite spontaneously 
when exposed to the air and must be kept 
wet until removed from the hazardous area, 
and if possible, destroyed under supervision 
{see 4.4.4). 

c) Popcorn polymers — This is formed under 
normal processing conditions in the vapour 
phase. It is tough and resinous. Trace of oxy- 
gen, oxidizing agents and the presence of seed 
of popcorn polymer will initiate the forma- 
tion. 

4.3.2 Reaction with Oxides of Nitrogen 

Butadiene reacts with oxides of nitrogen to form 
unstable compounds which when heated can cause 
explosion even in inert atmosphere. 

4.4 Fire and Explosion Hazard Properties 
4.4,1 Flash Point, ^C — (-)18 



4.4.2 Auto Ignition Temperature, ^C • — 420 

4.4.3 Explosive Limits in Air, Percent (v/v) 

Lower Explosive Limit (LEL) : 2 
Upper Explosive Limit (UEL) : 1 1 .5 

4.4.4 Butadiene vapours being heavier than air, tend 
to spread arid flash back from ignition source. Storage 
of uninhibited butadiene may present a special hazard, 
if it is subjected to elevated temperature on account of 
which it would rapidly polymerize, generating heat, 
pressure and rupture of the vessel and explosion. 
Further, oxidizing agents, phenols, aldehydes, rust 
(iron oxides), oxides of nitrogen, nitrates carbonyls, 
oxygen, air would cause serious fire and explosion 
hazard when come into contact with butadiene with a 
little friction or heat. Butadiene derived from naphtha 
contains trace of acetylenes therefore, should not be 
allowed to come in contact with acetylide forming 
metals, such as, copper, silver, magnesium, mercury, 
alkali metals and alloys thereof. Acetylides of these 
metals are unstable and could be ignited by friction of 
heat to explode. In view of above the recommended 
maximum allowable concentration in refined 
butadiene are following: 



Acetylene : 

Carbonyls : 

Vinyl Acetylene : 



65 ppm 
100 ppm 
150 ppm 



The vapours of butadiene, if not inhibited can form 
polymers in vents or flame arrestors of storage tanks, 
causing their blockage. 

In butadiene refining columns, the presence of vinyl 
acetylene in butadiene vapour phase should not be 
allowed to go beyond 40 moles percent because vinyl 
acetylene may initiate explosion above this limit. 

Polymerization of butadiene is accelerated by rusty 
iron. In order to minimize this, iron surface should be 
treated with 2-3 percent NaNOj which subsequently 
should be washed free from nitrates before being put 
to butadiene service. 

Peroxides and polyperoxides in butadiene are also 
hazardous and these can be destroyed from the surface 
of equipment by treating with 20 percent NaOH at 
about 50*^C. In butadiene recommended maximum 
allowable concentration of dimer, oxygen and peroxide 
are following: 



Dimer 


: 0.2 percent 


Oxygen 


: 0.3 percent 


Peroxides 


: 10 ppm 



4.5 Corrosion Properties 

Butadiene is non-corrosive. 



IS 14984 : 2001 



5 TOXICITY INFORMATION AND HEALTH 
EFFECTS 

5.1 Toxicity Information 

5.1.1 r^K— 2ppm(4.4g/m^) 

5.1.2 STEL — 20 ppm (40 g/m^) 

5.1.3 IDLH — 20 000 ppm (40 g/m') 

5. 1 .4 LC^^ {Inhalation, Rat) ~~ 20 000 ppm (250 g/m^) 

5.1.5 LD^^ (Oral, Rat) — 5 480 mg/kg 

5.1.6 LD^^,{Ora{ Mouse) — 3 210 mg/kg 

5.2 Routes of Entry 

Butadiene can make an entry through inhalation 
(respiration) or through contact with liquid (skin). 

5.3 Health Effects 

5.3.1 Odour Threshold Concentration 

Death can occur if inhaled for 23 minutes air 
containing 25 percent butadiene. 

5.3.2 Irritation Effect 

Eye and respiratory irritation at 2 percent 
concentration. Contact may cause irritation with 
redness and excess tearing. Skin contact may cause 
irritation with redness and possible swelling. 
Inhalation may cause irritation to the respiratory tract 
with nausea, headache, fatigue can cause death. 

5.3.3 At concentration below the LEL (2 percent) it 
can cause mild narcotic effect, irritation to the eyes, 
mucous membrane, drowsiness, lethargy, etc. 

5.3.4 Effect of Repeated (Chronic) Exposure 

Repeated skin exposure may cause dermatitis. 
Repeated exposure of butadiene vapours may cause 

kidney and lever injury. 

5.3.5 Liquid butadiene on contact with skin causes 
frost bite due to rapid evaporation. 

5.3.6 Inhalation may cause irritation to the respiratory 
tract, with nausea, vomitting, blurred vision, headache, 
fatigue and unconsciousness. Lack of oxygen can cause 
death. 

5.3.7 Skin contact may cause irritations, with redness 
and possible swelling. Exposure to liquid may cause 
frost bite. 

Eye contact may cause irritation, with redness and 
excess tearing. Exposure to liquid may cause freezing. 

Effects of repeated (chronic) overexposure: Repeated 
skin exposure may cause dermatitis. Repeated 
exposure of butadiene vapours may cause kidney and 

lever injury. 



This material has also shown, in several independent 
studies, to cause mutations of bacteria. 

6 PERSONAL PROTECTIVE EQUIPMENT 

Whenever there is danger of liquid or vapour butadiene 
coming in contact with eyes, safety goggles should be 
worn. Face shields with cup type vapour safety goggles 
will give the best protection. Hard helmets should be 
used in plant areas to guard against accidental leaks 
and also from falling tools, etc. For further protection 
rubber, PVC aprons and safety shoes should be worn. 
Self contained breathing apparatus (SCBA), positive 
pressure hose mask, air line masks are recommended. 
Industrial Canister type gas masks will afford protection 
against concentration not exceeding 2 percent. 

NOTE — Respiratory protective equipment must be carefully 
maintained, inspected, cleaned and sterilized at regular intervals 
and always before use by another person. 

7 STORAGE, HANDLING, LABELLING AND 
TRANSPORT 

7.1 Storage 

7.1.1 Mode 

Being extremely flammable and potentially explosive 
on contact with air, oxygen and oxidizing agents, 
butadiene should be stored in liquid form under 
pressure at ambient temperature away from potential 
source of ignition or sparks and oxidizing agents. It 
should be inhibited with 0.01 to 0.02 percent of para 
tertiary butyl catechol (PTBC). For pressure storage a 
vessel in the form of sphere is most favoured. 
Refrigeration storage is also done. Usually it is stored 
at lO^^C to minimize dimer formation. Threaded piping 
should be avoided. Cast iron parts or equipment should 
not be used. Drainage should be provided. The 
inhibitor content must be checked periodically. The 
storage should be free from air or oxygen. Storage 
vessel should not be made of copper, magnesium, silver 
or alkaline earth alloys. 

Before filling the storage vessels with butadiene the 
tank and all lines should be made free from air, oxides 
of nitrogen, phenols and oxidizing agents. 

During unloading operation, the container, the tank 
from which it is being unloaded and truck chassis 
should be electrically connected and grounded to 
prevent spark. 

Cylinders of butadiene should be stored upright in a 
cool, dry, well ventilated location, away from sources 
of heat, open flames and sparks. The storage area 
should be segregated from supplies of oxygen, chlorine 
and other oxidizing chemicals and gases and 
combustible materials. A cylinder should not be 
subjected to temperature above 55**C. 



IS 14984 : 2001 



7.1.2 Ventilation 

Good ventilation is required in rooms or storage where 
butadiene is stored. Storage in pits, depressions and 
basements should be avoided. 

7.1.3 Flooring 

Fire resistant flooring should be laid in storage areas. 
Adequate drainage should be provided to drain away 
the liquid from the storage tank and minimize fire 
exposure of the tanks. A suitably designed Dike is 
desirable 

7 J .4 Electrical Fittings 

Explosion proof electrical fittings conforming to 
group II B of IS 2 148 should be used in storage areas. 
All metal surfaces with which butadiene come in 
contact must be grounded or bonded so that the 
resistance to ground does not exceed 7 ohms. This 
will prevent static charges. Lighting protection device 
should be installed to prevent fire from lighting. 

7.2 Handling 

Butadiene should be unloaded through a closed system 
using vapour return line and compressor or inert gas 
pressure. All precautions must be taken to guard 
against health and fire hazard whenever butadiene is 
handled. Suppliers instructions should always be 
followed and all caution markings be strictly adhered 
to. Leaks should not be present. If transfer is done 
into a tanker, the tankers* design and construction 
should be as per BIS for butadiene. The lagging of the 
pipelines should be checked well. 

7.3 Labelling 

The following label, in addition to or combination with 
any label, warning required by statutes regulations, 
ordinance is recommended for butadiene. 

Name of material : 1, 3-BUTADIENE (INHIBITED) 

Danger Extremely flammable liquid and 

gas under pressure. Liquid causes 
frost bums, may form explosive 
peroxides on exposure to air. 

Do not breathe vapour. 

Do not get in eyes, or skin, or clothing. 

Use with adequate ventilation. 

Keep away from heat and open flame. 

Do not drop a cylinder. 

7.4 Transport 

7.4.1 Butadiene is usually transported through 
pipelines and tankers. Since butadiene is transported 
at a low temperature to prevent polymerization, the 
tank should be insulated. Butadiene tankers should 



not be used for any other product. The tanker should 
also follow UN Code 1010 for transportation of 
dangerous goods. 

7.4.2 Proper warning, a label and signs should be 
marked on the tanker. The tanker must have a placard 
class label of "Flammable". A slight pressure above 
atmosphere should be maintained inside the filled 
tanker out of contact with air or oxygen. Two fire 
extinguishers should be fixed on each tank lorry. 

7.4.3 Only trained drivers should be employed for 
transporting butadiene. 

7.4.4 The storage, transportation and handling of 
butadiene should conform to the Gas Cylinder Rules, 
1981 and its storage, transportation and handling in 
vessel should conform to the Static and Mobile 
Pressure Vessels (Unflred) Rules, 1981 administered 
by the chief controller of explosives. 

8 SPILLAGE/LEAKAGE AND WASTE 
DISPOSAL 

8.1 Spillage/Leakage 

8.1.1 Regular inspection of equipment and vessels 
containing butadiene should be made to detect or 
prevent leaks. Soap solution may be used but no 
matches or open flames should be used to check the 
leaks. If spillage or leakage develops, ignition sources 
should be eliminated and people should be kept away 
because butadiene in contact with air will form 
flammable/explosive mixtures. 

8. 1 .2 To much exposure may cause dizziness, lethargy, 
eye irritation and if liquid, frost bite, 

8.1.3 The area around the spillage should be wetted 
down with large quantities of water and allow the 
liquid to dissipate. The spillage can be absorbed on 
sand and shoveled carefully to safe areas and destroyed 
by burning. Spillage can be diluted with PTBC 
dissolved in toluene before mixing with sand. Good 
ventilation should be there so that gas should be 
dissipated below its lower explosively limit. Sand and 
shovel should be readily available. 

8.2 Waste Disposal 

8.2.1 Solid waste will be usually polymeric materials 
(Popcorn polymer) with gaseous or liquid butadiene 
absorbed sometimes. 

8.2.2 Before collecting the waste from lines and service 
tanks, all equipment should be depressurized and the 
gases are vented out safely below the explosive limit 
or to a burning flare. After the removal of the gases 
the polymeric wastes can be treated with 20 percent 
NaOH solution at 48-50**C to decompose/destroy the 
peroxide and polyperoxides, if any, are formed. 



IS 14984 : 2001 



Otherwise, the waste could be removed under wet 
condition and burnt into a pit/incinerator, adding small 
quantities at intervals. Popcorn polymers are 
unsaturated in nature and tend to ignite when exposed 
to air. Hence it should be removed under wet condition 
with water. 

9 FIRE PREVENTION AND FIRE FIGHTING 

9.1 Fire Prevention 

9.1.1 Explosion/tlame proof electrical equipment 
should be used in place where butadiene is handled. 
Static charge, flames, ignition sources, lights, 
oxidizing agents, copper, magnesium, silver, alkali 
earth metal alloys should not be present where 
butadiene is handled. Sampling should not be done 
during lightning and hail storm. 

9.1.2 All metal surfaces with which butadiene comes 
into contact must be grounded so that resistance to 
ground does not exceed 7 ohms. 

9.2 Fire Fighting 

Cooi the butadiene container which is on fire with 
fine spray of water without putting out the flame till 
the valve supplying the gas is isolated. Cut off 
butadiene supply to the fire before attempting to 
extinguished using CO^, dry chemical powder (DCP), 
foam and water fog. Attempt to cool the nearby 
equipment and tanks which are handling and storing 
flammable liquids and gases. Do not use water jet, 

9.3 Air Monitoring of the Work Place 

Periodical air monitoring should be carried out to 
assess the exposure risk, and necessary control 
measures should be implemented to maintain the 
ambient concentration of butadiene below TLV, 

10 TRAINING AND HEALTH MONITORING 
lO.i Training 

10.1.1 The trainer should be familiar with the contents 
of the safety data sheet Persons who handle butadiene 
should be instructed carefully in the accepted method 
of handling and be appraised of the use of protective 
equipment for safe handling. 

10.1.2 During training stress should be laid on 
hazardous properties of butadiene due to fire and 
explosions, so as to impart an indelible impression on 
the persons who handle butadiene. 

10.1.3 All workers should be familiar with the location 
of safety showers, alarm boxes, emergency ventilation 
system, first aid boxes, fire extinguishers and hose lines, 
protective equipment, gas masks and artificial 
respiration methods. They should be given training in 
the methods of operation of the equipment mentioned. 



10.1.4 Each employee should be periodically given 
refresher training on safety measures associated with 
butadiene. 

10.2 HEALTH MONITORING 

Pre-employment examination are required for persons 
who would be exposed to butadiene. In general, 
asthmatic persons and those suffering from acute or 
chronic diseases of the respiratory system should not 
be exposed to butadiene vapours. A periodic health 
examination including chest x-ray should be per- 
formed on all employees exposed to butadiene. A 
thorough investigation should be made of any changes 
referable to the respiratory system revealed by the 
examination. Periodical examination should be done 
annually. Proper records should be maintained so that 
variation if any, could be studied and remedies be 
suggested by the physician. 

1 1 FIRST AID 

11.1 Affected persons showing signs of excessive 
butadiene inhalation should be removed at once from 
the contaminated area. If breathing has stopped, 
artificial respiration should be started immediately. 
All contaminated clothing and shoes should be 
removed. 

UAAEyes 

Immediately flush eyes with plenty of water for at least 
1 5 minutes, hold eyelids apart while flushing to rinse 
entire surface of eye and lids with water. Get medical 
attention. 

n A. 2 Skin 

In case of cold bum, immediately place affected area 
in warm water (41°C) and keep at this temperature 
until circulation returns. Get medical attention. 

11.1.3 Ingestion 

No emergency care anticipated. This material is a gas 
at standard temperature and pressure. 

11.1.4 Inhalation 

Remove to fresh air. If not breathing, give artificial 
respiration. If breathing is difficult, qualified personnel 
may administer oxygen, get immediate medical 
attention. 

11.1.5 Other Instructions 

Remove and dty-clean or launder clothing soaked or 
soiled with this material before reuse. Dry cleaning of 
contaminated clothing may be more effective than 
normal laundering. Inform individuals responsible for 
cleaning of potential hazards associated with handling 
contaminated clothing. 



IS 14984 : 2001 

11.2 Suggestion to Physician oxygen at atmospheric pressure should be adequate. 

^ ,. J . .- r • *• .u it is not advisable to administer oxygen under positive 

Oxygenation and restoration of respiration are the . . ^ . "^*j. ^ , . 

°.,c ^ r • • 1. w r pressure m the presence of impending or existing 

essentials of management of excessive inhalation of '^ .. , ^--t r ^ » 

. , ,. ,- . « • X . .r cardiovascular failure, 

butadiene vapours. If unconscious, administration of 



IS 14984 : 2001 



ANNEX A 

(Foreword) 

COMMITTEE COMPOSITION 

Chemical Hazards Sectional Committee, CHD 7 



Organization 



Indian Institute of Chemical Technology, Hyderabad 
Atomic Energy Regulatory Board, Mumbai 
Bhabha Atomic Research Centre, Mumbai 
Central Warehousing Corporation, New E>elhi 
Ccntrry Rayon, Kaiyan 

Development Commissioner (SSI) Mew Delhi 

Department of Explosives, Nagpur 

Directorate General of Factory Advice Services & Labour Institutes, Mumbai 

Excel Industries Limited, Mumbai 

Hindustan Organic Chemicals Limited, Rasayani 

Hindustan Lever Limited, Mumbai 

Indian Chemical Manufacturers Association, New Delhi 
Indian Dnigs and Pharmaceuticals Limited, Birbhadra 
Indian Petrochemical Corporation Limited, Vadodara 
Industrial Toxicology Research Centre, Lucknow 
MinisUy of Defence (DGOF), Kolkata 

Ministry of Defence (DGQA), New Delhi 

Ministry of Defence (R&D), New Delhi 

Ministry of Environment & Forests, New Delhi 

Ministry of Industry, Department of Industrial Policy and Promotion, New Delhi 

National Institute of Occupational Health, Ahmedabad 

National Organic Chemicals Industries Limited, Mumbai 

National Safety Council, Mumbai 

Oil Industries Safety Directorate, Mumbai 

Projects and Development (1) Limited, Sindri 

SIEL Chemical Complex, Punjab 

Southern Petrochemical Industries Corporation, Chennai 

Tata AIG Risk Management Services Limited, Mumbai 

BIS Directorate General 



Representative{s) 

Dr K. V. Raghavan {Chairman) 
Shri p. K. Ghosh 
DrB.N.Rathi 

REPRESEKTA-nVE 

Dr K. V. Ramaungam 

Shri J ay AhfTA Adhi a (A Itemaie) 

SHRtMATlSUNTTA 

DrRMukherjee 

ShriS.S.Gaih-am 

Dr Brij Mohan (Alternate) 
Shri P. M. Karia 

Shrj Mohan Patil (Alternate) 
Shri V. H. Chudamani 

Shri A. G. Seshan {Alternate) 
DrA. Bhaskar 

Shri A. Jhavar {Aitemate) 
Shri V.N. Das 
Shri K. R. Sharma 
ShriJ.N.Sharma 
Dr P. N. Vkhwanathan 
Siflu V, R. Jaishima 

Shri R. Venugopal {Alternate) 
Shri M. S. Sultania 

Shri K, G. Nigam (Alternate) 
Dr p. S. Venkataramani 

Dr a. K. Saxena (Alternate) 
DrM.Sengupta 

Dr Ms IhODRANi CHA^a5RASHEKHARAN {Alternate) 
Shri M. P. Singh 

Shri N. C. Tiwari (Alternate) 
Dr D. J. Parikh 

Dr T. S. Patel (Alternate) 
DrB.V.Bapat 

Shri M. B. Surve (Alternate) 
Shri P. M.Rao 

Shri V. B. Paul (Alternate) 
Representative 
Shri A. C. Srwastava 
Shw a. K. Mehra 
ShriT.S.Krishnan 

Shri J. P. Azarjah Winston (Alternate) 
Shri Ajay Panchal 

Shri Sadhan Mukherjee (Aitemate) 
Shri Launder Singh, 
Director and Head (CHD) 
[Representing Director General (Ex-officio Member)] 



Member-Secretary 

Shri N,K. Pal 
Director (CHD), BIS 



(Continued on page 8) 



IS 14984 : 2001 

{Continued from page 7) 



Explosive/Flammable Substances Subcommittee, CHD 7:2 

Organization Representative(s) 

Indian Petrochemical Corporation Limited, Vadodara Shri J.N. Sharma (Convener) 

Bhabha Atomic Research Centre, Mumbai Dr B. N. Rathi 

Centre for Environment & Explosives Safety, DRDO, Delhi Dr A. K. Bhalla 

Dk K. S. Uppal {Alternate) 
Department of Explosive, Nagpur Shri S. K. Bhardwaj 

Directorate General of Factory Advice Services & Labour Institutes, Kolkata Dr A. K. Majijmder 

Shri K. Balasubramanian (Alternate) 
Directorate General of Ordinance Factory, Kolkata Dr D. R. Mishra 

Directorate General Mines Safety, Dhanbad Shri A K. Gupta 

ICI Limited (Explosives Division), Kolkata Representative 

IDL Industries Limited, Hyderabad Shri M. Ramakrishna 

Dr R. Sundar Rajan (Alternate) 
Indian Chemical Manufacturers Association, New Delhi Shri V. N. Das 

Loss Prevention Associ ation, Mumbai Shri Abhutt Das 

Shri P. T. Deotale (Alternate) 
Ministry of Defence, (DGQA), Pune Shri N. V. Pillai 

Dr A. K, Sarangi (Alternate) 
Ministry of Environment & Forests, New Delhi Shrimah Sanchtta Jindal 

National Organic Chemicals Industries Limited, Mumbai Dr B. V. Bapat 

Shri M. B. Surve (Alternate) 
Oil Industries Safety Directorate, New Delhi Representative 



Bureau of Indian standards . 

BIS is a statutory institution established under the Bureau of Indian Standards Act, 1986 to promote 
harmonious development of the activities of standardization, marking and quality certification of goods 
and attending to connected matters in the country. 

Copyright 

BIS has the copyright of all its publications. No part of these publications may be reproduced in any form 
without the prior permission in writing of BIS. Tl^is does not preclude the free use, in the course of 
implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. 
Enquiries relating to copyright be addressed to the Director (Publications), BIS. 

Review of Indian Standards 

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed 
periodically; a standard along with amendments is reaffirmed when such review indicates that no changes are 
needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian Standards 
should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of 
'BIS Catalogue' and ^Standards: Monthly Additions'. 

This Indian Standard has been developed from Doc : No. CHD 7 (8817). 



Amendments Issued Since Publication 

Amend No. Date of Issue Text Affected 



BUREAU OF INDIAN STANDARDS 

Headquarters : 

Manak Bhavan, 9 Bahadur Shah Zafar Marg, New Delhi 110 002 Telegrams : Manaksanstha 

Telephones : 323 01 31, 323 33 75, 323 94 02 (Common to all offices) 

Regional Offices : Telephone 

Central : Manak Bhavan, 9 Bahadur Shah Zafar Marg r323 76 17 

NEW DELHI 110002 \323 38 41 

Eastern : 1/14 C.I.T, Scheme VII M, V. I. P. Road, Kankurgachi /337 84 99, 337 85 61 

KOLKATA700 054 \337 86 26, 337 91 20 



Northern : SCO 335-336, Sector 34-A, CHANDIGARH 160 022 [60 38 43 

60 20 25 



{: 



Southern : C.l.T. Campus, IV Cross Road, CHENNAI 600 1 13 r254 12 16, 254 14 42 

\254 25 19,254 13 15 

Western : Manakalaya, E9 MIDC, Marol, Andheri (East) r832 92 95, 832 78 58 

MUMBAI 400 093 \832 78 91, 832 78 92 

Branches : AHMEDABAD. BANGALORE. BHOPAL. BHUBANESHWAR. COIMBATORE. 
FARIDABAD. GHAZJABAD. GUWAHATL HYDERABAD. JAIPUR, KANPUR. 
LUCKNOW. NAGPUR. NALAGARH. PATNA. PUNE. RAJKOT. THIRUVANANTHAPURAM. 



Printed at Prabhat Offset Press, New Delhi'2